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    DEVELOPMENT AND APPLICATION OF MANAGEMENT FOR FOUR SHRIMP DISEASES (TSV, YHV, WSSV AND NHP) IN THE WHITE SHRIMP Penaeus vannamei THROUGH DIFFERENT STRATEGIES

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    Author
    Aranguren, Luis Fernando
    Issue Date
    2011
    Keywords
    PCR
    Shrimp
    TSV
    YHV
    Microbiology
    diseases
    Histology
    Advisor
    Lightner, Donald V.
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Embargo
    Embargo: Release after 11/14/2012
    Abstract
    A series of studies were conducted as part of my dissertation research on certain diseases of farmed penaeid shrimp and on strategies that might be applied to manage these diseases. These studies focused on the development and application of management for four shrimp diseases (TSV, YHV, WSSV and NHP) in the white shrimp Penaeus vannamei through different strategies. The studies focused on efforts to identify a new strain of Taura syndrome virus (TSV), and the prevention or mitigation of infection by Yellow Head Disease (YHD), White Spot Disease (WSD), and Necrotizing Hepatopancreatitis (NHP). The new strain of TSV reported in this study is among the most pathogenic strains discovered to date. Disease management strategies investigated include the prevention of YHD in the Americas by pre-exposing Specific-Pathogen-Free (SPF) Penaeus vannamei to TSV. The other strategy investigated involved the use of a prototype "vaccine" that binds to the specific shrimp cell receptors and thus, prevents WSSV from establishing an infection. The last strategy attempted to elucidate the reasons for the very low prevalence of NHP in commercial shrimp ponds in Colombia. It was found that through establishment of a breeding program in which shrimp were selected for resistance to TSV infection, Colombian shrimp farmers also, but indirectly, selected for resistance to NHP.
    Type
    text
    Electronic Dissertation
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Graduate College
    Microbiology
    Degree Grantor
    University of Arizona
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